zloader | 0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1

Resubmissions

09/01/2025, 21:32

250109-1dpr9a1rc1 10

04/12/2024, 03:12

241204-dqgwvaypcy 10

03/12/2024, 21:44

241203-1lvy8swjgv 10

25/09/2024, 06:02

240925-grgh9asblg 10

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 06:02

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General

Target

f55920966b4970588ce643af0fcc03a7_JaffaCakes118.dll
Size

422KB
MD5

f55920966b4970588ce643af0fcc03a7
SHA1

97c44c58f24358442cb1811a7694e5b395e82d61
SHA256

0d533321292f6854d7f9705a738d58ee5941c93b52674681083ec5c21a987ab1
SHA512

b5e6f91e65eacd6c1ad5f563f0d9184fd21fb88848008c7ea568d7c40c63fcbf217eeee2830a521313a3152e538821a469630fe951e760405972afae8516023e
SSDEEP

12288:yClc4hq+Ytl63+YzGKBTpJHtvgqYe7S9S:Tlc4kBl6OabpFtGgS0

Score

10^/10

zloader botnet discovery persistence trojan

Malware Config

Extracted

Family

zloader

Attributes

build_id
49

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dyac = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Caycu\\ebcofuf.dll,DllRegisterServer"	msiexec.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	3052	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 3052	2156	rundll32.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	3052	msiexec.exe
Token: SeSecurityPrivilege	3052	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2156	2448	rundll32.exe	30
PID 2448 wrote to memory of 2156	2448	rundll32.exe	30
PID 2448 wrote to memory of 2156	2448	rundll32.exe	30
PID 2448 wrote to memory of 2156	2448	rundll32.exe	30
PID 2448 wrote to memory of 2156	2448	rundll32.exe	30
PID 2448 wrote to memory of 2156	2448	rundll32.exe	30
PID 2448 wrote to memory of 2156	2448	rundll32.exe	30
PID 2156 wrote to memory of 3052	2156	rundll32.exe	31
PID 2156 wrote to memory of 3052	2156	rundll32.exe	31
PID 2156 wrote to memory of 3052	2156	rundll32.exe	31
PID 2156 wrote to memory of 3052	2156	rundll32.exe	31
PID 2156 wrote to memory of 3052	2156	rundll32.exe	31
PID 2156 wrote to memory of 3052	2156	rundll32.exe	31
PID 2156 wrote to memory of 3052	2156	rundll32.exe	31
PID 2156 wrote to memory of 3052	2156	rundll32.exe	31
PID 2156 wrote to memory of 3052	2156	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f55920966b4970588ce643af0fcc03a7_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f55920966b4970588ce643af0fcc03a7_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2156-0-0x0000000002190000-0x0000000002B00000-memory.dmp

Filesize
9.4MB

Download
memory/2156-2-0x00000000021F4000-0x00000000021F7000-memory.dmp

Filesize
12KB

Download
memory/2156-3-0x0000000002190000-0x0000000002B00000-memory.dmp

Filesize
9.4MB

Download
memory/2156-5-0x00000000021F4000-0x00000000021F7000-memory.dmp

Filesize
12KB

Download
memory/2156-4-0x0000000002190000-0x0000000002B00000-memory.dmp

Filesize
9.4MB

Download
memory/2156-6-0x0000000002190000-0x0000000002B00000-memory.dmp

Filesize
9.4MB

Download
memory/2156-10-0x0000000002190000-0x0000000002B00000-memory.dmp

Filesize
9.4MB

Download
memory/3052-8-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/3052-7-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/3052-9-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/3052-12-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/3052-13-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads